Symbiosis (to Mel)

Plants need water; stamps need glue.
Bricks need mortar; hair: shampoo.
Cars need gas; food needs spices.
Technogeeks need new devices.
Dogs need leashes; letters: stamps.
Folks in wheelchairs need nice ramps.
Zoos need visitors, so do shows.
Igloos wait for Eskimos.
Bands need tubas; singers: mics.
Hiking boots help out on hikes.
Laundry needs detergent; church needs sinners.
Marathons need runners, with some winners.
Teeth need toothpaste; dentists: drills.
Roller coaster riders require thrills.
Tattoo artists must have ink.
Skaters need a skating rink.
Gyms need trainers; schools need teachers.
Stadiums require bleachers.
Beds need pillows; sailboats: sails.
Hammers must desire nails.
Symbiosis sees us through,
Which explains why – I need you!